title: [Critical comments on the electrocardiogram in relaxation, standing and during work].
mesh_terms: D004562:Electrocardiography; D006801:Humans; D011187:Posture; D012063:Relaxation; D014937:Work
keywords: ELECTROCARDIOGRAPHY
vernacular_title: Kritische Beurteilung des Ruhe-, Steh- und Belastungs-EKG.